The size and scope of the government effort to accumulate data revealing the minute details of Americans' lives are described soberly and at length by the director's own panel of experts in a newly declassified report. Haines had first tasked her advisers in late 2021 with untangling a web of secretive business arrangements between commercial data brokers and US intelligence community members.
What that report ended up saying constitutes a nightmare scenario for privacy defenders.
“This report reveals what we feared most,” says Sean Vitka, a policy attorney at the nonprofit Demand Progress. “Intelligence agencies are flouting the law and buying information about Americans that Congress and the Supreme Court have made clear the government should not have.”
I feel like this was confirmed with the Snowden revelations (ie: the Verizon metadata sections) but also highly suspected prior, such as the store of room 641a
https://en.wikipedia.org/wiki/Room_641A